Global Patent Index - EP 3294228 B1

EP 3294228 B1 20200909 - HYDRAULIC PUMP ASSEMBLY FOR ARTIFICIAL HAND

Title (en)

HYDRAULIC PUMP ASSEMBLY FOR ARTIFICIAL HAND

Title (de)

HYDRAULISCHE PUMPENANORDNUNG FÜR EINE KÜNSTLICHE HAND

Title (fr)

ENSEMBLE POMPE HYDRAULIQUE POUR MAIN ARTIFICIELLE

Publication

EP 3294228 B1 20200909 (EN)

Application

EP 16719421 A 20160429

Priority

  • GB 201507399 A 20150430
  • EP 2016059678 W 20160429

Abstract (en)

[origin: GB2537900A] A hydraulic pump assembly 72 comprises a low pressure hydraulic pump 74, a high pressure hydraulic pump 76, and a drive shaft assembly 78 that passes along an axis of the pump assembly 72; wherein both hydraulic pumps 74, 76 are arranged to be rotated simultaneously by the same drive shaft assembly 78; and wherein the pump assembly 72 is formed as a single unit arranged to fit into a pump chamber 80. The pump chamber may be cylindrical, and the drive shaft may pass through one pump to reach the other. The pumps may be gear pumps. The drive shaft may be rotated by a motor 68 via belt 28 (see figure 5). The pump assembly may for part of a palm unit for an artificial or prosthetic hand.

IPC 8 full level

A61F 2/58 (2006.01); A61F 2/68 (2006.01); A61F 2/72 (2006.01); A61F 2/50 (2006.01); A61F 2/74 (2006.01)

CPC (source: EP GB US)

A61F 2/583 (2013.01 - EP GB US); A61F 2/586 (2013.01 - EP US); A61F 2/72 (2013.01 - EP US); A61F 2/74 (2021.08 - EP GB); A61F 2/741 (2021.08 - EP); A61F 2/748 (2021.08 - EP); F04B 23/12 (2013.01 - GB); F04C 11/001 (2013.01 - GB); A61F 2/74 (2021.08 - US); A61F 2/741 (2021.08 - US); A61F 2/748 (2021.08 - US); A61F 2002/5093 (2013.01 - EP US); A61F 2002/587 (2013.01 - US); A61F 2002/6818 (2013.01 - EP US); A61F 2002/6845 (2013.01 - EP US); A61F 2002/6854 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

GB 201507399 D0 20150617; GB 2537900 A 20161102; GB 2537900 B 20180221; CA 2983206 A1 20161103; EP 3294228 A1 20180321; EP 3294228 B1 20200909; JP 2018527496 A 20180920; JP 6935334 B2 20210915; US 2018133032 A1 20180517; US 2021015640 A1 20210121; WO 2016174241 A1 20161103

DOCDB simple family (application)

GB 201507399 A 20150430; CA 2983206 A 20160429; EP 16719421 A 20160429; EP 2016059678 W 20160429; JP 2017557107 A 20160429; US 201615570231 A 20160429; US 202017062974 A 20201005